Harriet Tubman

+1: If your opponent controls a slave card, they must roll a 6 sided die. If they roll a 1, one of their slaves goes to the graveyard.
-3: If your opponent controls a slave card, then they must put one of their slave cards in the graveyard.
-10: If your opponent controls a slave card, they must roll a 6 sided die. If they roll a 1, 3, or 5, they must put half their slaves in the graveyard